If An airplaine is controlled to move vertically downward from a given height of at a speed of 1 m/s. After a given amount of ms of this controlled movement, the airplane loses power drops from that position to the grown. What is known? What is not known? What equations of uniform motion and non uniform motion can be used can be used? How do we know is the motion is unifrom or non uniform? How can the final velocity be found?
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If An airplaine is controlled to move vertically downward from a given height of at a speed of 1 m/s. After a given amount of ms of this controlled movement, the airplane loses power drops from that position to the grown. What is known? What is not known? What equations of uniform motion and non uniform motion can be used can be used? How do we know is the motion is unifrom or non uniform? How can the final velocity be found?
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- 1. Predict and sketch the position vs time and velocity vs time graphs of a free fall object that goes up first, and then falls back down. Give proper labels for x and y axes. Indicate the positive direction and the origin. 2. Predict and sketch the vertical position vs time and vertical velocity component vs time graphs of an object under projectile motion. Give proper labels for x and y axes. Indicate the positive direction. 3. Based on your above prediction, which will take longer to land, a ball launched horizontally at one speed, or a ball launched horizontally at an even greater speed from the same height? Explain. 4. Based on your above prediction, which will take longer to land, a ball launched horizontally at a certain velocity, or a ball dropped (with no initial velocity) from the same height as the one launched? Explain.A student fires a cannonball vertically upwards with a speed of 39.0m/s. Determine all unknowns and answer the following questions. Neglect drag and the initial height and horizontal motion of the cannonball. What was the cannonball's maximum height? unit How long did the cannonball rise? unit What was the cannonball's total flight time? unit check answers cannot be de Unit 12: forces and motion review, one-dimensional motion problems Desmos Scientific Online CalculatorA ball starts from rest and accelerates at 0.5 m/s² while moving down on a 9 m long inclined plane. 10) When the ball reaches the bottom of this plane, it continues moving with constant velocity along 12 m long horizontal path. Then, it moves up the second inclined surface for 10s and it stops. a) What is the speed of the ball at the bottom of the first inclined plane? b) How long does it take for the ball to reach the bottom of the second inclined plane? c) What is the acceleration in the second inclined plane? d) What is the speed of the ball at the point 8 m away from the bottom of the second inclined plane? Answers: a) v = 3 m/s, b) t = 10 s, c) a = -0.3 m/s² (parallel to that surface and in the downward direction), d) v =2.05 m/s
- solve in a detailed form. Show complete and clear solution. ThanksWhich of the following are TRUE? Choose only three (3). Select one or more: a. At constant launch angle, maximum height decreases as initial velocity increases. The maximum height is inversely proportional to the square of the initial velocity. b. At constant launch angle, range increases as initial velocity increases. The range is directly proportional to the square of the initial velocity. c. At constant launch angle, maximum height increases as initial velocity increases. The maximum height is directly proportional to the square of the initial velocity. d. At constant launch angle, range decreases as initial velocity increases. The range is inversely proportional to the square of the initial velocity. e. The time of flight is directly proportional to the initial velocity. At constant launch angle, time of flight increases as initial velocity increases. f. The time of flight is inversely proportional to the initial velocity. At constant launch angle, time of flight decreases as…3.) You throw a ball straight up. The ball leaves your hand at a height of 2.00 m above the ground with a speed of 20.0 m/s (~45 mph). Ignore air resistance and use g = 10.0 m/s2 to answer the following questions. You can use a spreadsheet but show your sample calculations. 3a.) Calculate the height, y(t), and velocity, vy(t), at 0.50 second intervals until the ball hits the ground. Show your results in a table and put the units in the column headers: t (s), vy (m/s), y (m). 3b.) Use this data to draw a motion diagram for the ball at 0.50 second intervals. Label the height and the speed at each time interval. Label the origin, starting height, maximum height, and final height. Include the velocity vectors for each time and location of the ball. 3c.) Calculate the time it takes for the ball to hit the ground and the final velocity of the ball just as it hits the ground. Include this velocity vector in your diagram.
- Which if the following are TRUE? Select one or more: a. At constant initial velocity, as the launch angle increases, maximum height decreases. The maximum height is inversely proportional to the square of the sine of the launch angle. b. At constant initial velocity, as the launch angle increases, maximum height also increases. The maximum height is directly proportional to the square of the sine of the launch angle. c. At constant initial velocity, as the launch angle increases, time of flight also increases. The time of flight is directly proportional to the sine of the launch angle. d. At constant initial velocity, as the launch angle increases, time of flight decreases. The time of flight is inversely proportional to the sine of the launch angle.A ball is thrown with a velocity of 20 m/s at an angle of 33 dergrees above the horizontal. It hits a brick wall that is 25.0 m away. a) Draw a well labeled diagram of this trajectory, including labels for all relevant quantities including unknowns. b) Resolve the initial velocity into components. Show these on your diagram above. c) Find the time of flight before it hits the wall. d) Find the height above the floor at the point that it hits. e) Find the time for the ball to reach the top of its trajectory. Does it hit the wall before or after this point?An object is moving with constant non-zero acceleration along the +x-axis only. A graph of the velocity in the x direction as a function of time for this object is A ) a straight line making an angle with the time axis. B) a vertical straight line. C) a parabolic curve D) a horizontal straight line. Answer is A... Explain why it's correct and why the others aren't?
- DIRECTIONS: Read each problem carefully and with full comprehension. Follow the step-by-step procedure in answering a problem: GIVEN, UNKNOWN, SOLUTION, FINAL ANSWER. Do not forget to box your final answer. You can do it! Write your answers on a YELLOW PAPER or BOND PAPER. Do not forget to box your final answer. You can do it! Activity 1: Free Fall Motion 1) A juggler throws a bowling pin straight up with an initial speed of 8.20 m/s. How much time elapses until the bowling pin returns to the juggler's hand?A cough can travel 50 mph when leaving your body. Estimate how far from your body water droplets in your cough can travel before hitting the ground. Be as detailed as possible with your answer and clearly identify all assumptions you are making in this model.. When we estimate distances from velocity data, it is some- times necessary to use times fo, f1, fz, fz, ... that are not equally spaced. We can still estimate distances using the time periods At; = ti – ti-1. For example, on May 7, 1992, the space shuttle Endeavour was launched on mission STS-49, the purpose of which was to install a new perigee kick motor in an Intelsat communications satellite. The table, provided by NASA, gives the velocity data for the shuttle between liftoff and the jettisoning of the solid rocket boosters. Use these data to estimate the height above the earth's surface of the space shuttle Endeavour, 62 seconds after liftoff. Event Time (s) Velocity (ft/s) Launch Begin roll maneuver End roll maneuver 10 185 15 319 Throttle to 89% Throttle to 67% 20 447 32 742 Throttle to 104% 59 1325 Maximum dynamic pressure Solid rocket booster separation 62 1445 125 4151